Bearings

Sep 8, 2026
Sep 8, 2026
PHILOSOPHY OF MIND · an essayist's argument built on a 1929 philosophical manuscript and psychology experiments · Aug 2026

Why Generalizations Survive The Exceptions That Refute Them

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Setup. In 1929 the philosopher Frank Ramsey wrote private notes on what it means to believe a generalization, such as "all humans are mortal." His friend Richard Braithwaite found the notes after Ramsey died at 26. Ramsey broke from his mentor Ludwig Wittgenstein, who held that a generalization is really an infinite list of facts about each case.

The argument. Ramsey argued that believing a generalization means holding a disposition, a habit for treating any new case a certain way, not a claim about every case at once. Writer Tom Ralston extends this to "generic" claims without a quantifier, like "cats are furry" or "mosquitoes carry West Nile virus." These survive known exceptions because they never claimed to cover every case. "People will accept that mosquitoes carry the West Nile virus even when they are aware that only 1 per cent of mosquitoes are carriers," Ralston writes, citing philosopher Sarah-Jane Leslie. Stereotypes share this structure.

Where it stands. The universal-versus-generic distinction is well established in philosophy of language and explains a real asymmetry: one exception kills "all cats are furry" but not "cats are furry." Whether this excuses stereotyping, rather than only explaining it, stays a live disagreement.

Tom Ralston · Aeon, Aug 2026
ECONOMIC HISTORY · a 1944 doctoral thesis, contested with numbers on both sides · 1944 to present

Britain Freed The Slaves When Slavery Stopped Paying, Not Before

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Setup. Eric Williams, later Trinidad and Tobago's first prime minister, published his Oxford doctoral thesis in 1944. He asked why Britain abolished the slave trade in 1807 and slavery in 1833, against the standard account crediting abolitionist moral conviction.

The argument. Williams argued the timing was economic: by the 1820s Caribbean sugar plantations had exhausted their soil and profits were falling, and Britain's turn toward free trade and industrial capital no longer needed the triangular trade. He also argued slave-trade profits had helped finance the Industrial Revolution.

Where it stands. The debate has run for eighty years with real numbers on both sides. "Stanley Engerman finds that even without subtracting the associated costs of the slave trade or reinvestment of profits, the total profits from the slave trade and of West Indian plantations amounted to less than 5% of the British economy during any year of the Industrial Revolution," cutting against the financing claim. Historian Seymour Drescher countered that abolition came while the colonies were still profitable, driven instead by public moral outrage. Both theses have genuine evidence behind them.

Eric Williams · Capitalism and Slavery, 1944
TERRORISM STUDIES · a database study of 315 attacks, contested on methodology grounds · 2005

Suicide Terrorism Targets Occupation, Not Religion

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Setup. Political scientist Robert Pape built a database of every suicide terrorist attack worldwide from 1980 to 2003, all 315 of them, at the University of Chicago. Before this, explanations for suicide terrorism leaned on Islamic fundamentalism or economic desperation. Pape set out to test that assumption against the full record instead of a handful of cases.

The finding. Pape classified 301 attacks into 18 campaigns by 11 groups and found a pattern: "what nearly all suicide terrorist attacks have in common is a specific secular and strategic goal: to compel modern democracies to withdraw military forces from territory that the terrorists consider to be their homeland." Only one of the ten main groups shared a religion with its occupier. Attackers were rarely poor or isolated. Most were educated and socially integrated.

Where it stands. The 315-attack database is real and widely cited, but Princeton political scientists Ashworth, Clinton, Meirowitz, and Ramsay showed Pape sampled only cases with suicide terrorism, not the 49 of 58 democratic occupations that produced none, leaving the actual cause of the split untested. The occupation pattern in his data holds. What explains it remains disputed.

Robert Pape · Dying to Win, 2005
ORGANIZATIONAL THEORY · a 1963 academic book, foundational and still cited · 1963

Firms Settle For Good Enough, Not The Best Possible

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Setup. Economic textbooks model a firm as a single rational actor maximizing profit under perfect information. In 1952, economist Richard Cyert and political scientist James March met at Carnegie Mellon and set out to test that model against how real firms actually decide.

The argument. Cyert and March described a firm as a coalition of managers, workers, and shareholders, each with different goals and information, that negotiates rather than optimizes. "Cyert and March proposed that real firms aim at satisficing rather than maximizing their results," settling for good enough instead of the best possible outcome. The gap between total resources and what efficiency strictly requires, paid out as high dividends, low prices, or excess wages, they called organizational slack. Rather than a flaw, they argued it stabilizes the coalition and gives the firm room to adapt.

Where it stands. The theory reshaped organizational research and later work on organizational learning and firm strategy. Critics call the coalition model unnecessarily complex and still defend profit maximization over satisficing as the better predictor. Six decades on, both the theory and the argument against it remain active.

Richard Cyert and James March · A Behavioral Theory of the Firm, 1963
HISTORICAL GEOGRAPHY · a 1997 academic book, widely reviewed · 1997

Continents Are A Cultural Map, Not A Natural One

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Setup. School geography divides the world into seven continents, treated as if the divisions were as natural as mountains or rivers. In 1997, geographer Martin Lewis and historian Kären Wigen set out to trace where that seven-part scheme actually came from.

The argument. Lewis and Wigen showed the standard continents, and categories like East versus West or First World versus Third World, are historical inventions layered onto a physical world that does not respect them. "The authors trace the historical development of these misconceptions and highlight the interconnectedness of Europe, Asia, and Africa as part of a single landmass," one summary notes. They proposed replacing the scheme with regions defined by shared history rather than by supposed continental traits.

Where it stands. Reviewers across geography, history, and anthropology called the historical critique sound and well documented. Their own replacement scheme drew real pushback: a New York Times review noted it applies language as the defining trait in some regions and race in others, the same kind of inconsistency the book set out to expose in the old system.

Martin W. Lewis and Kären E. Wigen · The Myth of Continents, 1997
Sep 7, 2026
SOCIAL PSYCHOLOGY · a 1966 lab experiment, replicated and extended since · 1966 to 1972

A Skilled Person's Blunder Makes Them More Likable

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Setup. In 1966, psychologist Elliot Aronson wondered whether making a mistake helps or hurts how likable someone seems. He had University of Minnesota students listen to a mock quiz-show contestant answer questions either almost perfectly or only fairly well, then had the contestant spill a cup of coffee near the end.

The finding. "Aronson's research found that a knowledgeable blunderer was rated to be more attractive, while the more average ones suffered decreases in their perceived attractiveness." A skilled person's blunder humanizes them; the same blunder from an average performer just confirms their mediocrity.

Where it stands. Later studies refined the effect rather than breaking it: it strengthens with a more severe blunder for the competent person, reverses more for men than women, and even predicts real purchase behavior. In one field study, shoppers were more likely to buy a chocolate bar advertised as "broken" when they were distracted, though the same flaw hurt sales when shoppers were paying close attention.

Elliot Aronson · Wikipedia · 1966
ORGANIZATIONAL THEORY · a 1972 formal model, tested by computer simulation · 1972

Institutional Decisions Are Not Made To Solve Problems

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Setup. In 1972 researchers Michael Cohen, James March and Johan Olsen studied "organized anarchies," institutions such as universities where goals are unclear and who shows up to a meeting keeps changing. They built a computer model of how choices actually happen inside one.

The finding. Their garbage can model treats problems, solutions, participants and choice opportunities as four separate streams that flow independently and combine mostly by chance, timing and who is in the room. A solution can exist before anyone has the problem it fixes. "Important problems were found more likely to be solved than unimportant ones, and important choices were less likely to solve problems than unimportant ones." Decisions often resolve nothing, or resolve a problem that already left the room.

Where it stands. The model grew out of watching a real university dean search collapse into confusion, then was formalized in a Fortran simulation. It has held up as a working description of institutional life for over fifty years, still taught in organizational theory, precisely because it does not assume decision-makers are rational.

Michael Cohen, James March and Johan Olsen · A Garbage Can Model of Organizational Choice, 1972
MEDIA AND COMMUNICATION · a 1940 panel study of 2,400 voters, later revised for digital platforms · 1940 to 1955

Most Opinions Come From a Person, Not the Media

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Setup. In 1940, sociologist Paul Lazarsfeld and colleagues tracked 2,400 voters in Erie County, Ohio, through the presidential campaign, interviewing them repeatedly from May to November to find out what actually changed their minds.

The finding. "The study found that people were more likely to have conversations about politics with those around them than to consume political media. These conversations were more likely to sway voters than the political press was." Lazarsfeld named the people doing the swaying "opinion leaders": more exposed to media, more trusted locally, and the ones who translated broadcast messages into something their neighbors would act on. Mass media, in other words, mostly worked at one remove.

Where it stands. The finding held up long enough to become a textbook model, then got complicated by digital platforms. Studies of Twitter have since found genuine two-step patterns alongside faster one-step and multi-step flows, so the original two-hop picture is now one case among several rather than the whole story.

Paul Lazarsfeld and Elihu Katz · Personal Influence, 1955
SOCIAL THEORY · a 1989 book, prize-winning and still contested · 1989

Bureaucracy, Not Barbarism, Made The Holocaust Possible

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Setup. Zygmunt Bauman was a Polish-British sociologist who, in 1989, set out to explain the Holocaust not as a relapse into pre-modern cruelty but as something modernity itself made possible.

The argument. "Bauman's most famous book, Modernity and the Holocaust, argues that the Holocaust was fundamentally enabled by the features of modernity itself—bureaucratic rationality, instrumental reason, and the social production of moral indifference." Breaking mass murder into small procedural tasks, each carried out by someone following rules rather than choosing violence, let ordinary bureaucratic machinery do the killing while nobody involved had to feel like a murderer. Bauman argued the same sorting-and-excluding logic remains available to modern societies today, not confined to Nazi Germany.

Where it stands. The book won the European Amalfi Prize in 1989 and reshaped how sociologists frame the Holocaust, moving the explanation toward institutional design rather than individual pathology. Reviewers called it important but flagged real gaps: sociologist Moishe Postone found several central claims puzzling, and later critics argue Bauman understates how ordinary antisemitism, not just bureaucracy, motivated the killers.

Zygmunt Bauman · Modernity and the Holocaust, 1989
LAW AND ECONOMICS · a 1998 legal thesis, formalized and tested across many cases · 1998 to present

Too Many Owners Waste A Resource Just Like Too Few

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Setup. Law professor Michael Heller named this pattern in 1998 after noticing something odd in post-communist Eastern Europe: cities full of empty storefronts, even though demand for retail space was high and everyone with a stake in the empty stores was losing money.

The mechanism. The tragedy of the commons happens when nobody owns a resource, so everyone overuses it. "The 'tragedy of the anticommons' occurs when a resource has many owners, all of whom have the ability to exclude others from using it, leading to the under-utilization of that resource." In Heller's stores, too many separate parties each held a veto, so no deal could close. He traced the same pattern in medieval Rhine river tolls, biomedical patents that block research, and zoning that blocks housing.

Where it stands. James Buchanan and Yong Yoon formalized the model in 2000, and it has since been applied to patent thickets, COVID-19 vaccine disputes, and housing shortages, mostly by pointing to real blocked deals rather than new formal tests. Critics note the pattern is not universal: surveys of scientists found patents have not obviously stalled biomedical research the way the theory predicts.

Michael Heller · Harvard Law Review, 1998
Sep 6, 2026
TECHNOLOGY HISTORY · an essayist's book-review argument, built on decades of energy-use data · 1970 to 2026

Physical Technology Stalled When Energy Growth Stalled

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Setup. J. Storrs Hall's book Where Is My Flying Car? blames engineers' "engineerism," the belief that if a technology can be built it ought to be built, for why flying cars, cold fusion and cheap nuclear power never arrived. Economics writer Noah Smith reviewed the book and pushed back on the diagnosis.

The finding. Smith agrees on one point: physical technology stalled when energy use stalled. "U.S. primary energy use per person stagnated after 1970 and has been falling since the turn of the century." Yet U.S. GDP per capita kept climbing anyway, because growth shifted to "dematerialization," spending on services and entertainment instead of physical goods.

Where it stands. The energy-stagnation data is solid and widely cited elsewhere. The disagreement is over the fix: Hall wants nuclear power to break the stall, while Smith points to China, which keeps nuclear costs down yet still builds far more solar, as evidence a cheaper technology already won. This is one economist's rebuttal of another's book, not a settled question.

Noah Smith · Noahpinion · Sep 2026
POLITICAL SOCIOLOGY · thesis from a 1956 book, informed by a 1942 study of Nazi Germany's power structure · 1956

Three Interlocking Elites Quietly Run America

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Setup. Sociologist C. Wright Mills published The Power Elite in 1956, drawing on a 1942 study of how the Nazi party captured a democratic state. He argued a small, overlapping group running the military, the largest corporations, and the federal government had replaced America's older, more scattered local power centers.

The finding. Mills traced how the elite recruits itself: through a handful of Ivy League schools and, within them, a handful of exclusive social clubs that usually run in families. He argued members are often unaware they belong to a caste at all. His own summary: "Who, after all, runs America? No one runs it altogether, but in so far as any group does, the power elite."

Where it stands. Contemporaries were harsh, one reviewer calling it "an angry cartoon, not a serious picture." The verdict has softened: in 2006, sociologist G. William Domhoff wrote that "Mills looks even better than he did 50 years ago." Treat it as an influential, disputed argument about institutional power, not a settled finding.

C. Wright Mills · Wikipedia · 1956
EXISTENTIAL PSYCHOLOGY · a research program tested in nearly 200 experiments · 1973 to 2015

Fear Of Death Quietly Builds Culture And Self-Esteem

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Setup. Every animal shares the instinct for self-preservation, but humans alone know death is certain. Anthropologist Ernest Becker argued in his 1973 book The Denial of Death that human activity, from religion to career ambition, manages the terror this creates. Psychologists Jeff Greenberg, Sheldon Solomon and Tom Pyszczynski built this into terror management theory: cultural worldviews and self-esteem buffer death anxiety by making a person feel part of something that outlasts them.

The finding. The theory is tested through "mortality salience": reminding people of death, then measuring behavior. "Experimentally, the MS hypothesis has been tested in close to 200 empirical articles." In an early study, Christian participants reminded of their own death rated fellow Christians more favorably and Jewish students more harshly than a control group did, exactly as the theory predicts.

Where it stands. Close to 200 experiments and a supporting meta-analysis make this an unusually well-tested framework for an abstract theory. The open question is which way causation runs: does low self-esteem cause death anxiety, or does death anxiety create the need for self-esteem? Researchers Hewstone and colleagues argued in 2002 that the theory has not settled this.

Greenberg, Solomon and Pyszczynski · Wikipedia · 2015
COGNITIVE BIAS · a replicated social-psychology finding

Everyone Sees Bias In Others, Never In Themselves

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Setup. People readily notice bias in a colleague's reasoning or a stranger's argument. Psychologist Emily Pronin and colleagues named the mirror image: the near-universal belief that everyone else is biased while you personally are not.

The finding. "In a sample of more than 600 residents of the United States, more than 85% believed they were less biased than the average American." Only one person rated themselves as more biased than average. Pronin traces this to introspection: people judge others' bias from visible behavior, but judge their own by searching their thoughts and feelings, where bias operates unconsciously and so leaves nothing to find.

Where it stands. This is a well-replicated individual-difference finding, not a one-off survey, and it holds regardless of a person's actual decision-making skill. Its limit is practical: knowing about the blind spot, and even naming the specific bias in question, does not make anyone able to correct for it.

Emily Pronin · Wikipedia
EVOLUTIONARY BIOLOGY · reporting on peer-reviewed genomic studies, Sep 2026

Some Species Duplicate Their Whole Genome To Evolve Fast

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Setup. A tiny New Zealand snail called Potamopyrgus antipodarum carries three or four copies of every chromosome instead of the usual two, the result of a whole-genome duplication sometime in the last million years. Evolutionary biologist Maurine Neiman and colleagues have been using it, and similar cases in yeast and plants, to study a highly disruptive kind of mutation.

The finding. Doubling an entire genome is usually lethal, and most organisms that survive it are sterile. "In fact, genome doubling is the single most radical mutation an organism can experience in a single generation," and the cells that do survive immediately start discarding redundant genes: Neiman's snails had already lost 60 percent of their duplicated genes. When it works, the extra material has fueled real innovation, including the genome duplications behind spiders' silk glands, vertebrate brains, and the tomato's fleshy fruit.

Where it stands. This is an active, converging research area built on genome sequencing across many species, not a single study, and researchers still cannot say why some lineages stabilize a doubled genome while most die out. A related 2026 claim, that mass extinctions trigger genome duplications, has already drawn a published rebuttal disputing the analysis.

Carrie Arnold · Quanta Magazine, Genome Duplication Is a Radical Evolutionary Gamble
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